5bio5: Citation of: The Concept of Aquatic Biota as a Labile and Vulnerable Component of the Water Self-Purification System, Doklady Academii Nauk ( Dokl. Akad. Nauk,) 2000, vol. 372, no.2, pp. 279-282 in Russian [English Translation was published as: Doklady Biological Sciences , vol. 372, no. 2, pp. 286-289, in English]. Author: Ostroumov, S.A.